What color is #334D4D?

#334D4D is a dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(51, 77, 77), and in HSL hsl(180, 20%, 25%).

Is #334D4D accessible as text?

On white, #334D4D has a contrast ratio of 9.09:1 (passes WCAG AA for body text); on black it is 2.31:1 (fails). For text placed on #334D4D, use white for the best readability.

What is the closest Tailwind color to #334D4D?

The nearest Tailwind CSS token is neutral-700 (#404040).

What colors go well with #334D4D?

As a neutral, #334D4D pairs cleanly with white, off-white and light grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a dark surface or high-contrast base and let the accent carry the color.

Is #334D4D the same as CSS darkslategray?

No — #334D4D is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#334D4D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #334D4D

Not just a swatch — here's how #334D4D works with other colors. Named schemes with #334D4D in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #334D4D Accent #A6C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1D3549

Dark Slate Gray opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Accent #334D4D Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A4 Anchor #2E3236

Dark Slate Gray keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #334D4D Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #552340

Dark Slate Gray plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #334D4D Anchor #382C1E Surface #ECE4D0 Accent #809C72 Secondary #3A3933

Dark Slate Gray anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #334D4D Secondary #677170 Support #979286 Ink #16140F

Dark Slate Gray is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Dark Slate Gray carrying the quiet middle.

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Color Lab

How #334D4D actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 42/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 57/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 6/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 60/100

Moderate

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 12/100

Very low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 46/100

Moderate

Workable accent with care around contrast.

Surface fit 49/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #334D4D

For UI

For branding

For interior

For fashion

People also use #334D4D with

Feldgrau Charcoal Taupe Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 9.1:1. Use

Subtle surface Use #D3DEDE for cards and hover fills. Tint 80

Avoid beside #33444D — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #334D4D at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #334D4D;
  --color-base-rgb: 51 77 77;
  --color-base-oklch: oklch(39.9% 0.032 196.0);
  --color-50: #F6F9F9;
  --color-100: #E6EFEF;
  --color-200: #CEDEDE;
  --color-300: #ABC5C5;
  --color-400: #88AAAA;
  --color-500: #698C8C;
  --color-600: #546D6D;
  --color-700: #3F4F4F;
  --color-800: #2C3535;
  --color-900: #1C2121;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F6F9F9',
    100: '#E6EFEF',
    200: '#CEDEDE',
    300: '#ABC5C5',
    400: '#88AAAA',
    500: '#698C8C',
    600: '#546D6D',
    700: '#3F4F4F',
    800: '#2C3535',
    900: '#1C2121',
  },
}

$base: #334D4D;
$base-ink: #FFFFFF;
$base-50: #F6F9F9;
$base-100: #E6EFEF;
$base-200: #CEDEDE;
$base-300: #ABC5C5;
$base-400: #88AAAA;
$base-500: #698C8C;
$base-600: #546D6D;
$base-700: #3F4F4F;
$base-800: #2C3535;
$base-900: #1C2121;
$base-hover: #293D3D;
$base-subtle: #BDCECE;

{
    "color": {
        "base": {
            "value": "#334D4D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F9",
                "type": "color"
            },
            "100": {
                "value": "#E6EFEF",
                "type": "color"
            },
            "200": {
                "value": "#CEDEDE",
                "type": "color"
            },
            "300": {
                "value": "#ABC5C5",
                "type": "color"
            },
            "400": {
                "value": "#88AAAA",
                "type": "color"
            },
            "500": {
                "value": "#698C8C",
                "type": "color"
            },
            "600": {
                "value": "#546D6D",
                "type": "color"
            },
            "700": {
                "value": "#3F4F4F",
                "type": "color"
            },
            "800": {
                "value": "#2C3535",
                "type": "color"
            },
            "900": {
                "value": "#1C2121",
                "type": "color"
            }
        }
    }
}

Palettes built on #334D4D

Color Lab

Pairs with #334D4D

UI roles & guardrails

In real applications

Scales

Every model

Export